9 string references to 'system.maintenance' in Drupal 8

ConfigNamesMapperTest::testGetLangcode in core/modules/config_translation/tests/src/Unit/ConfigNamesMapperTest.php

Tests ConfigNamesMapper::getLangcode().

ConfigSchemaTest::testSchemaMapping in core/tests/Drupal/KernelTests/Core/Config/ConfigSchemaTest.php

Tests the basic metadata retrieval layer.

LanguageConfigOverrideImportTest::testConfigOverrideImport in core/modules/language/tests/src/Functional/LanguageConfigOverrideImportTest.php

Tests that language can be enabled and overrides are created during a sync.

LocaleConfigTranslationImportTest::testConfigTranslationImport in core/modules/locale/tests/src/Functional/LocaleConfigTranslationImportTest.php

Test update changes configuration translations if enabled after language.

MigrateMessageTest::setUp in core/modules/migrate/tests/src/Kernel/MigrateMessageTest.php

MigrateSystemMaintenanceTranslationTest::testSystemMaintenance in core/modules/config_translation/tests/src/Kernel/Migrate/d6/MigrateSystemMaintenanceTranslationTest.php

Tests migration of system (maintenance) variables to system.maintenance.yml.

MigrateSystemMaintenanceTranslationTest::testSystemMaintenance in core/modules/config_translation/tests/src/Kernel/Migrate/d7/MigrateSystemMaintenanceTranslationTest.php

Tests migrations of i18n maintenance variable.

SiteMaintenanceModeForm::buildForm in core/modules/system/src/Form/SiteMaintenanceModeForm.php

Form constructor.

SiteMaintenanceModeForm::getEditableConfigNames in core/modules/system/src/Form/SiteMaintenanceModeForm.php

Gets the configuration names that will be editable.